.page-about {
  --about-rail-w: 180px;
  color: var(--text-primary);
}

.page-about__shell {
  padding-top: var(--space-3);
  padding-bottom: var(--space-6);
}

.page-about .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-about section {
  border-top: 1px solid var(--border-line);
  padding: var(--space-5) 0;
}

.page-about .about-hero {
  border-top: none;
  padding-top: var(--space-3);
}

.page-about [class$="__rail"] {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.page-about [class$="__rail"]::before {
  content: "//";
  color: var(--border-line);
}

.page-about [class$="__main"] {
  min-width: 0;
}

.page-about h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

.page-about h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--space-1);
}

.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.18;
  margin: 0 0 var(--space-3);
}

.page-about .about-hero__lead {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 64ch;
  margin: 0 0 var(--space-4);
}

.page-about .about-hero__lead::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--accent-orange);
  margin-top: var(--space-4);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-about .about-stat {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  padding: var(--space-2);
  box-shadow: var(--shadow-panel);
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-orange);
  display: block;
}

.page-about .about-stat__label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.page-about .about-hero__media {
  border: 2px solid var(--border-line);
  background: var(--bg-panel);
  box-shadow: var(--shadow-strong);
}

.page-about .about-hero__media img {
  width: 100%;
}

.page-about .about-timeline__intro,
.page-about .about-services__intro,
.page-about .about-principles__intro {
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 64ch;
  margin-bottom: var(--space-4);
}

.page-about .about-timeline__list {
  position: relative;
  margin: 0;
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--accent-gold);
  opacity: 0.45;
}

.page-about .timeline-item {
  position: relative;
  padding: 0 0 var(--space-4) 32px;
}

.page-about .timeline-item__node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-gold);
  box-shadow: 0 0 0 2px var(--bg-primary);
}

.page-about .timeline-item__body p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  font-size: 0.95rem;
}

.page-about .about-services__categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-about .service-cat {
  background: var(--bg-panel);
  border: 2px solid var(--border-line);
  box-shadow: var(--shadow-panel);
  padding: var(--space-3);
}

.page-about .service-cat__count {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-orange);
  display: block;
  line-height: 1;
}

.page-about .service-cat__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: var(--space-2) 0 0;
  padding: 0;
}

.page-about .service-cat__tags li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius);
}

.page-about .about-services__media {
  margin-top: var(--space-4);
  border: 2px solid var(--border-line);
  background: var(--bg-panel);
  box-shadow: var(--shadow-strong);
}

.page-about .about-services__media img {
  width: 100%;
}

.page-about .about-principles__list {
  border-top: 1px solid var(--border-line);
}

.page-about .principle-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-line);
}

.page-about .principle-card__num {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--accent-gold);
  padding-top: 0.2rem;
}

.page-about .principle-card__body p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  font-size: 0.95rem;
}

.page-about .license-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-panel);
  border: 2px solid var(--accent-gold);
  box-shadow: var(--shadow-panel);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
}

.page-about .license-tag__icon {
  background: var(--accent-gold);
  color: var(--text-inverse);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius);
  letter-spacing: 0.05em;
}

.page-about .about-license__note {
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 64ch;
  margin: var(--space-3) 0 0;
}

.page-about .about-contact-ctx__desc {
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 64ch;
  margin: 0;
}

.page-about .about-contact-ctx__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-about .about-pitch {
  margin-top: var(--space-5);
  border: 2px solid var(--border-line);
  overflow: hidden;
}

.page-about .about-pitch img {
  width: 100%;
}

@media (min-width: 960px) {
  .page-about__shell {
    padding-top: var(--space-5);
  }

  .page-about section {
    display: grid;
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    column-gap: var(--space-5);
    align-items: start;
  }

  .page-about [class$="__rail"] {
    position: relative;
    display: block;
    font-size: 1rem;
    margin: 0;
  }

  .page-about [class$="__rail"]::before {
    content: "";
  }

  .page-about [class$="__rail"] span {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    display: inline-block;
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1;
    color: var(--accent-gold);
    opacity: 0.85;
  }

  .page-about .about-hero h1 {
    font-size: clamp(2.4rem, 4.2vw, 4rem);
  }

  .page-about .about-hero__lead {
    font-size: 1.125rem;
  }

  .page-about .about-hero__media {
    margin-top: var(--space-5);
  }

  .page-about .about-services__categories {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1200px) {
  .page-about .about-services__categories {
    grid-template-columns: 1fr 1fr 1fr;
  }
}